Entrepreneurs Angle to Profit on War on Fish Infesting U.S. Waterways

WICKLIFFE, Ky.—In the battle to contain the spread of invasive Asian carp that have infested waterways throughout the South and Midwest, experts have floated elaborate proposals, from building electric barriers to unleashing poisonous microparticles.

Angie Yu has a simpler solution: export them back to Asia. Unlike Americans, who often consider carp too bony, people there fancy the fish.